/Engine/Source/Editor/PropertyEditor/Public/DetailCategoryBuilder.h
Adds an external standalone structure to this details panel
A property row for customizing the property or NULL if the property could not be found
[IDetailPropertyRow](API\Editor\PropertyEditor\IDetailPropertyRow) * AddExternalStructure ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FStructOnScope](API\Runtime\CoreUObject\UObject\FStructOnScope) > StructData, [EPropertyLocation::Type](API\Editor\PropertyEditor\EPropertyLocation__Type) Location )